4 in. full-color LCD touchscreen
540 x 540 pixel display
||Black front, white backing
||Works with most 24VAC HVAC equipment, including conventional furnaces and air conditioners (2H/2C), heat pumps (2H/2C + 1 stage AUX heat), boilers, and PTACs or fan coil units with up to 3 fan speeds. 1 wire accessory support for humidifiers, dehumidifiers, and ventilators (HRV/ERV).
|HVAC accessory support
||Control a one-wire HVAC accessory device like a humidifier, dehumidifier, or ventilator.Note: Self-powered accessories will require an additional 24V isolation relay.
|Connectivity & security
Dual-band Wi-Fi: 802.11 b/g/n @ 2.4GHz, 802.11 a/n/ac @ 5GHz
WPA, WPA2, WPA3 encryption methods
DHCP (dynamic) or static IP addressing
168-bit SSL encryption
||Apple HomeKit, Amazon Alexa, Samsung SmartThings, IFTTT, and more.
||15-20 MB/month (dependent on Alexa Voice Service usage)
||Up to 3.5 VA
Wired 24VAC through terminals C and Rc.
Power Extender Kit enables you to reliably power your thermostat without having to run a fifth wire.
Desired Temperature: 45° to 92°F (7° to 33°C)
Display: 40° to 100°F (5° to 37°C)
Sensitivity: +/− 1°F (+/− 0.5°C)
Operating: 14° to 122°F (-10° to 50°C)
Display: 20% to 90%
Sensitivity: +/− 5%
Operating: 5% to 95% RH (non-condensing)
−31° to 113°F (−35° to 45°C)
5% to 95% RH (non condensing)